Remove java.... libcore classes from light grey/vendor lists

Removes all the java... libcore classes from the light grey/vendor
lists as they are now using UnsupportedAppUsage annotation.

This was tested by making and then manually checking that the generated
out/target/common/obj/PACKAGING/hiddenapi-light-greylist.txt was the
same (after sorting) before and after this change.

Test: see above
Bug: 117818301
Change-Id: I3ada072845b311fc89d864c45e40995f4d92dfef